/* ============================================================
   LAYOUT.CSS — Auth pages + Hub sidebar shell
   ============================================================ */

/* ── Auth pages ───────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #040405;
}

.auth-card {
  background: rgba(10,0,16,0.95);
  border: 1px solid rgba(109,40,217,0.25);
  border-radius: 14px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.auth-card .form-group label { color: rgba(255,255,255,0.55); }
.auth-card input, .auth-card select {
  background: rgba(255,255,255,0.06);
  border-color: rgba(109,40,217,0.3);
  color: #e2e8f0;
}
.auth-card input::placeholder { color: rgba(255,255,255,0.25); }
.auth-card input:focus {
  border-color: #6d28d9;
  box-shadow: 0 0 0 3px rgba(109,40,217,0.2);
  background: rgba(109,40,217,0.08);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}
.auth-logo h1 {
  font-family: 'Bebas Neue', cursive;
  font-size: 40px;
  letter-spacing: 0.1em;
  color: #fff;
  text-shadow: 0 0 40px rgba(109,40,217,0.6);
}
.auth-logo p {
  font-size: 11px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: rgba(254,243,199,0.4);
  margin-top: 4px;
}

.auth-form { display: flex; flex-direction: column; gap: 18px; }

.auth-footer {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.auth-footer a { color: #a78bfa; }

/* ── Hub shell ────────────────────────────────────────────── */
.hub-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar — stays dark */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--nav-bg);
  border-right: 1px solid var(--nav-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.25s ease;
}

.sidebar-header {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--nav-border);
}
.sidebar-header h1 {
  font-family: 'Bebas Neue', cursive;
  font-size: 22px;
  letter-spacing: 0.1em;
  color: #fff;
}
.sidebar-header p {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-top: 2px;
}

/* Running total in sidebar */
.sidebar-balance {
  margin: 0 10px 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(109,40,217,0.15);
  border: 1px solid rgba(109,40,217,0.25);
}
.sidebar-balance .bal-label {
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 3px;
}
.sidebar-balance .bal-amount {
  font-family: 'Bebas Neue', cursive;
  font-size: 18px;
  letter-spacing: 0.05em;
  color: #fff;
}
.sidebar-balance .bal-sub {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  margin-top: 1px;
}
.sidebar-balance .bal-amount.owed { color: #fca5a5; }
.sidebar-balance .bal-amount.settled { color: #86efac; }
.sidebar-balance .bal-amount.owe { color: #fcd34d; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.nav-section-label {
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  padding: 14px 18px 4px;
  font-family: 'Inter', sans-serif;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--nav-text);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
  border-left: 2px solid transparent;
}
.nav-item:hover { color: var(--nav-text-active); background: rgba(255,255,255,0.05); text-decoration: none; }
.nav-item.active {
  color: var(--nav-text-active);
  background: rgba(109,40,217,0.2);
  border-left-color: #a78bfa;
}
.nav-icon { font-size: 14px; width: 18px; text-align: center; }

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--nav-border);
}
.sidebar-user { margin-bottom: 8px; }
.sidebar-user strong { color: #fff; font-size: 13px; display: block; font-weight: 500; font-family: 'Inter', sans-serif; }
.sidebar-user span { font-size: 11px; color: rgba(255,255,255,0.35); font-family: 'Inter', sans-serif; }

/* Main content */
.hub-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 28px 32px;
  min-width: 0;
  background: var(--bg);
}

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-title {
  font-family: 'Bebas Neue', cursive;
  font-size: 32px;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 700px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Mobile toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 200;
  background: var(--nav-bg);
  border: 1px solid var(--nav-border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 16px;
  color: #fff;
}

@media (max-width: 768px) {
  .sidebar-toggle { display: flex; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .hub-main { margin-left: 0; padding: 16px; padding-top: 56px; }
}